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Jonas Griffel

Boise, ID
4.0C year-end 2025
20 matches · 15W–5L · seasons 2025–2026
Bump probability
3.54.04.5lowhigh
Where this rating stands today. Taller means more likely.
i
The dashed lines are the edges of your band. The three shaded areas are exactly the three percentages below — area here is the chance of one outcome for you, not a count of players.
3.81
estimated dynamic rating
Where the rating sits now, on 14 matches this season · USTA never publishes this number
0%
down to 3.5
99%
stay 4.0
1%
up to 4.5

A 4.0 runs from 3.51 to 4.00. This rating sits in the upper half of the band, and every match moves it.

Our estimate, not a USTA figure.
i
scale measured at this point of 2023 on 2160 players. It moves when you play, and occasionally when we improve the model. USTA publishes year-end ratings in December, which is when this gets graded against what actually happened.
Where you rank
Boise · 4.0
28 of 87
ID · 4.0
69 of 216
By our estimated rating, not the published level.
i
Jonas is ranked against players at the same level in the same place. The published level is identical for everyone in a band, so it cannot separate them — our estimate can. Groups smaller than five are not ranked at all, because a placing out of two is noise dressed as standing.
Over timerating by season, and how you rank
Rating by season

Jonas has been a steady 4.0 across all 2 seasons on record.

3.54.020252026

The line is our estimate; the horizontal lines are level boundaries, so crossing one is a bump. Hollow points are years we inferred from the level played the following season, because USTA publishes a current rating but no history.

How you rank at your level

Percentile compares the same level in the same season, by share of games won. Mixed is shown for context — USTA rules exclude it from your adult rating unless mixed is all you play.

By level4 levels played
4.0
75%
6W–2L · 54.3% of games
4.5
2W–0L
not enough matches yet
8.0mixed
83.3%
5W–1L · 58.6% of games
8.5mixed
1W–1L
not enough matches yet

Games won matters more than matches won — NTRP adjusts on margins.

Match history20 matches
L
2026-07-18 · #1 Doubles · with Owen McPeak
+0.000about as expected — took 44% of games against 48% expected
6-2, 3-6, 1-0
W
2026-07-17 · #3 Doubles · with Owen McPeak
+0.000better than expected — took 71% of games against 65% expected
6-4, 6-1
W
2026-07-12 · #2 Doubles · 4.5 · with Owen McPeak
+0.074better than expected — took 86% of games against 47% expected
6-2, 6-0
W
2026-07-10 · #2 Doubles · 4.5 · with Ryan Cook
−0.023below expectation — took 52% of games against 61% expected
5-7, 7-5, 1-0
W
Cameron Schultz / Aldo Juarez
2026-07-01 · #2 Doubles · 4.0 · with Owen McPeak
expectation pending — we're still fetching an opponent's record
6-0, 6-1
W
Darrin Gardner / Derek Gochnour
2026-06-22 · #1 Doubles · 4.0 · with Connor Rice
expectation pending — we're still fetching an opponent's record
6-3, 6-4
W
Leon Samuels / Ben Meibergen
2026-06-15 · #2 Doubles · 4.0 · with Eric Hallingstad
expectation pending — we're still fetching an opponent's record
7-6, 6-7, 1-0
W
David Holt / Blake Kuhl
2026-05-18 · #2 Doubles · 4.0 · with Kirk Porritt
expectation pending — we're still fetching an opponent's record
6-1, 5-7, 1-0
L
2026-05-09 · #1 Doubles · 8.0 · with Adrienne Idsal
+0.000below expectation — took 25% of games against 46% expected
6-1, 6-3
W
2026-04-18 · #1 Doubles · 8.0 · with Adrienne Idsal
+0.000better than expected — took 75% of games against 61% expected
6-4, 6-0
W
Tiffany Roberts / Justin Walkermixed
2026-04-04 · #3 Doubles · 8.0 · with Adrienne Idsal
mixed — doesn't count toward your NTRP rating
6-2, 2-6, 1-0
W
2026-03-28 · #2 Doubles · 8.0 · with Heather Baird
+0.000better than expected — took 71% of games against 64% expected
6-1, 6-4
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Not affiliated with or endorsed by the USTA. Rating shown is the published USTA year-end figure; match data is from USTA TennisLink.